+++ /dev/null
-/***********************************************************
- * *
- * This source was taken from the Gens project *
- * Written by Stéphane Dallongeville *
- * Copyright (c) 2002 by Stéphane Dallongeville *
- * Modified/adapted for PicoDrive by notaz, 2007 *
- * *
- ***********************************************************/
-
-#include "../pico_int.h"
-#include "cd_file.h"
-#include "cue.h"
-
-//#define cdprintf(f,...) printf(f "\n",##__VA_ARGS__) // tmp
-
-static void to_upper(char *d, const char *s)
-{
- for (; *s != 0; d++, s++) {
- if ('a' <= *s && *s <= 'z')
- *d = *s - 'a' + 'A';
- else
- *d = *s;
- }
-}
-
-static int audio_track_mp3(const char *fname, int index)
-{
- _scd_track *Tracks = Pico_mcd->TOC.Tracks;
- FILE *tmp_file;
- int fs, ret;
-
- tmp_file = fopen(fname, "rb");
- if (tmp_file == NULL)
- return -1;
-
- ret = fseek(tmp_file, 0, SEEK_END);
- fs = ftell(tmp_file); // used to calculate length
- fseek(tmp_file, 0, SEEK_SET);
-
-#ifdef _PSP_FW_VERSION
- // some systems (like PSP) can't have many open files at a time,
- // so we work with their names instead.
- fclose(tmp_file);
- tmp_file = (void *) strdup(fname);
-#endif
- Tracks[index].KBtps = (short) mp3_get_bitrate(tmp_file, fs);
- Tracks[index].KBtps >>= 3;
- if (ret != 0 || Tracks[index].KBtps <= 0)
- {
- elprintf(EL_STATUS, "track %2i: mp3 bitrate %i", index+1, Tracks[index].KBtps);
-#ifdef _PSP_FW_VERSION
- free(tmp_file);
-#else
- fclose(tmp_file);
-#endif
- return -1;
- }
-
- Tracks[index].F = tmp_file;
-
- // MP3 File
- Tracks[index].ftype = CT_MP3;
- fs *= 75;
- fs /= Tracks[index].KBtps * 1000;
- Tracks[index].Length = fs;
- Tracks[index].Offset = 0;
-
- return 0;
-}
-
-PICO_INTERNAL int Load_CD_Image(const char *cd_img_name, cd_img_type type)
-{
- int i, j, num_track, Cur_LBA, index, ret;
- int iso_name_len, missed, cd_img_sectors;
- _scd_track *Tracks = Pico_mcd->TOC.Tracks;
- char tmp_name[256], tmp_ext[10], tmp_ext_u[10];
- cue_data_t *cue_data = NULL;
- pm_file *pmf;
- static const char *exts[] = {
- "%02d.mp3", " %02d.mp3", "-%02d.mp3", "_%02d.mp3", " - %02d.mp3",
- "%d.mp3", " %d.mp3", "-%d.mp3", "_%d.mp3", " - %d.mp3",
- };
-
- if (PicoCDLoadProgressCB != NULL)
- PicoCDLoadProgressCB(cd_img_name, 1);
-
- Unload_ISO();
-
- /* is this a .cue? */
- cue_data = cue_parse(cd_img_name);
- if (cue_data != NULL) {
- cd_img_name = cue_data->tracks[1].fname;
- Tracks[0].ftype = cue_data->tracks[1].type;
- }
- else
- Tracks[0].ftype = type == CIT_BIN ? CT_BIN : CT_ISO;
-
- Tracks[0].F = pmf = pm_open(cd_img_name);
- if (Tracks[0].F == NULL)
- {
- Tracks[0].ftype = 0;
- Tracks[0].Length = 0;
- if (cue_data != NULL)
- cue_destroy(cue_data);
- return -1;
- }
-
- if (Tracks[0].ftype == CT_ISO)
- cd_img_sectors = pmf->size >>= 11; // size in sectors
- else cd_img_sectors = pmf->size /= 2352;
- Tracks[0].Offset = 0;
-
- Tracks[0].MSF.M = 0; // minutes
- Tracks[0].MSF.S = 2; // seconds
- Tracks[0].MSF.F = 0; // frames
-
- elprintf(EL_STATUS, "Track 1: %02d:%02d:%02d %9i DATA %s",
- Tracks[0].MSF.M, Tracks[0].MSF.S, Tracks[0].MSF.F,
- Tracks[0].Length, cd_img_name);
-
- Cur_LBA = Tracks[0].Length = cd_img_sectors;
-
- if (cue_data != NULL)
- {
- if (cue_data->tracks[2].fname == NULL) { // NULL means track2 is in same file as track1
- Cur_LBA = Tracks[0].Length = cue_data->tracks[2].sector_offset;
- }
- i = 100 / cue_data->track_count+1;
- for (num_track = 2; num_track <= cue_data->track_count; num_track++)
- {
- if (PicoCDLoadProgressCB != NULL)
- PicoCDLoadProgressCB(cd_img_name, i * num_track);
- index = num_track - 1;
- Cur_LBA += cue_data->tracks[num_track].pregap;
- if (cue_data->tracks[num_track].type == CT_MP3) {
- ret = audio_track_mp3(cue_data->tracks[num_track].fname, index);
- if (ret != 0) break;
- }
- else
- {
- Tracks[index].ftype = cue_data->tracks[num_track].type;
- if (cue_data->tracks[num_track].fname != NULL)
- {
- pm_file *pmfn = pm_open(cue_data->tracks[num_track].fname);
- if (pmfn != NULL)
- {
- // addume raw, ignore header for wav..
- Tracks[index].F = pmfn;
- Tracks[index].Length = pmfn->size / 2352;
- Tracks[index].Offset = cue_data->tracks[num_track].sector_offset;
- }
- else
- {
- elprintf(EL_STATUS, "track %2i (%s): can't determine length",
- num_track, cue_data->tracks[num_track].fname);
- Tracks[index].Length = 2*75;
- Tracks[index].Offset = 0;
- }
- }
- else
- {
- if (num_track < cue_data->track_count)
- Tracks[index].Length = cue_data->tracks[num_track+1].sector_offset -
- cue_data->tracks[num_track].sector_offset;
- else
- Tracks[index].Length = cd_img_sectors - cue_data->tracks[num_track].sector_offset;
- Tracks[index].Offset = cue_data->tracks[num_track].sector_offset;
- }
- }
-
- if (cue_data->tracks[num_track].sector_xlength != 0)
- // overriden by custom cue command
- Tracks[index].Length = cue_data->tracks[num_track].sector_xlength;
-
- LBA_to_MSF(Cur_LBA, &Tracks[index].MSF);
- Cur_LBA += Tracks[index].Length;
-
- elprintf(EL_STATUS, "Track %2i: %02d:%02d:%02d %9i AUDIO %s", num_track, Tracks[index].MSF.M,
- Tracks[index].MSF.S, Tracks[index].MSF.F, Tracks[index].Length,
- cue_data->tracks[num_track].fname);
- }
- cue_destroy(cue_data);
- goto finish;
- }
-
- /* mp3 track autosearch, Gens-like */
- iso_name_len = strlen(cd_img_name);
- if (iso_name_len >= sizeof(tmp_name))
- iso_name_len = sizeof(tmp_name) - 1;
-
- for (num_track = 2, i = 0, missed = 0; i < 100 && missed < 4; i++)
- {
- if (PicoCDLoadProgressCB != NULL && i > 1)
- PicoCDLoadProgressCB(cd_img_name, i + (100-i)*missed/4);
-
- for (j = 0; j < sizeof(exts)/sizeof(char *); j++)
- {
- int ext_len;
- char *p;
-
- index = num_track - 1;
-
- sprintf(tmp_ext, exts[j], i);
- ext_len = strlen(tmp_ext);
- to_upper(tmp_ext_u, tmp_ext);
-
- memcpy(tmp_name, cd_img_name, iso_name_len + 1);
- p = tmp_name + iso_name_len - 4;
-
- strcpy(p, tmp_ext);
- ret = audio_track_mp3(tmp_name, index);
- if (ret != 0) {
- strcpy(p, tmp_ext_u);
- ret = audio_track_mp3(tmp_name, index);
- }
-
- if (ret != 0 && i > 1 && iso_name_len > ext_len) {
- p = tmp_name + iso_name_len - ext_len;
- strcpy(p, tmp_ext);
- ret = audio_track_mp3(tmp_name, index);
- if (ret != 0) {
- strcpy(p, tmp_ext_u);
- ret = audio_track_mp3(tmp_name, index);
- }
- }
-
- if (ret == 0)
- {
- LBA_to_MSF(Cur_LBA, &Tracks[index].MSF);
- Cur_LBA += Tracks[index].Length;
-
- elprintf(EL_STATUS, "Track %2i: %02d:%02d:%02d %9i AUDIO - %s", num_track, Tracks[index].MSF.M,
- Tracks[index].MSF.S, Tracks[index].MSF.F, Tracks[index].Length, tmp_name);
-
- num_track++;
- missed = 0;
- break;
- }
- }
- if (ret != 0 && i > 1) missed++;
- }
-
-finish:
- Pico_mcd->TOC.Last_Track = num_track - 1;
-
- index = num_track - 1;
-
- LBA_to_MSF(Cur_LBA, &Tracks[index].MSF);
-
- elprintf(EL_STATUS, "End CD - %02d:%02d:%02d\n", Tracks[index].MSF.M,
- Tracks[index].MSF.S, Tracks[index].MSF.F);
-
- if (PicoCDLoadProgressCB != NULL)
- PicoCDLoadProgressCB(cd_img_name, 100);
-
- return 0;
-}
-
-
-PICO_INTERNAL void Unload_ISO(void)
-{
- int i;
-
- if (Pico_mcd == NULL) return;
-
- if (Pico_mcd->TOC.Tracks[0].F) pm_close(Pico_mcd->TOC.Tracks[0].F);
-
- for(i = 1; i < 100; i++)
- {
- if (Pico_mcd->TOC.Tracks[i].F != NULL)
- {
- if (Pico_mcd->TOC.Tracks[i].ftype == CT_MP3)
-#ifdef _PSP_FW_VERSION
- free(Pico_mcd->TOC.Tracks[i].F);
-#else
- fclose(Pico_mcd->TOC.Tracks[i].F);
-#endif
- else
- pm_close(Pico_mcd->TOC.Tracks[i].F);
- }
- }
- memset(Pico_mcd->TOC.Tracks, 0, sizeof(Pico_mcd->TOC.Tracks));
-}
-
-#if 1*0
-
-PICO_INTERNAL int FILE_Read_One_LBA_CDC(void)
-{
- if (Pico_mcd->s68k_regs[0x36] & 1) // DATA
- {
- if (Pico_mcd->TOC.Tracks[0].F == NULL) return -1;
-
- // moved below..
- //fseek(Pico_mcd->TOC.Tracks[0].F, where_read, SEEK_SET);
- //fread(cp_buf, 1, 2048, Pico_mcd->TOC.Tracks[0].F);
-
- cdprintf("Read file CDC 1 data sector :\n");
- }
- else // AUDIO
- {
- cdprintf("Read file CDC 1 audio sector :\n");
- }
-
- // Update CDC stuff
-
- CDC_Update_Header();
-
- if (Pico_mcd->s68k_regs[0x36] & 1) // DATA track
- {
- if (Pico_mcd->cdc.CTRL.B.B0 & 0x80) // DECEN = decoding enable
- {
- if (Pico_mcd->cdc.CTRL.B.B0 & 0x04) // WRRQ : this bit enable write to buffer
- {
- int where_read = 0;
-
- // CAUTION : lookahead bit not implemented
-
- if (Pico_mcd->scd.Cur_LBA < 0)
- where_read = 0;
- else if (Pico_mcd->scd.Cur_LBA >= Pico_mcd->TOC.Tracks[0].Length)
- where_read = Pico_mcd->TOC.Tracks[0].Length - 1;
- else where_read = Pico_mcd->scd.Cur_LBA;
-
- Pico_mcd->scd.Cur_LBA++;
-
- Pico_mcd->cdc.WA.N = (Pico_mcd->cdc.WA.N + 2352) & 0x7FFF; // add one sector to WA
- Pico_mcd->cdc.PT.N = (Pico_mcd->cdc.PT.N + 2352) & 0x7FFF;
-
- *(unsigned int *)(Pico_mcd->cdc.Buffer + Pico_mcd->cdc.PT.N) = Pico_mcd->cdc.HEAD.N;
- //memcpy(&Pico_mcd->cdc.Buffer[Pico_mcd->cdc.PT.N + 4], cp_buf, 2048);
-
- //pm_seek(Pico_mcd->TOC.Tracks[0].F, where_read, SEEK_SET);
- //pm_read(Pico_mcd->cdc.Buffer + Pico_mcd->cdc.PT.N + 4, 2048, Pico_mcd->TOC.Tracks[0].F);
- PicoCDBufferRead(Pico_mcd->cdc.Buffer + Pico_mcd->cdc.PT.N + 4, where_read);
-
- cdprintf("Read -> WA = %d Buffer[%d] =", Pico_mcd->cdc.WA.N, Pico_mcd->cdc.PT.N & 0x3FFF);
- cdprintf("Header 1 = %.2X %.2X %.2X %.2X", Pico_mcd->cdc.HEAD.B.B0,
- Pico_mcd->cdc.HEAD.B.B1, Pico_mcd->cdc.HEAD.B.B2, Pico_mcd->cdc.HEAD.B.B3);
- cdprintf("Header 2 = %.2X %.2X %.2X %.2X --- %.2X %.2X\n\n",
- Pico_mcd->cdc.Buffer[(Pico_mcd->cdc.PT.N + 0) & 0x3FFF],
- Pico_mcd->cdc.Buffer[(Pico_mcd->cdc.PT.N + 1) & 0x3FFF],
- Pico_mcd->cdc.Buffer[(Pico_mcd->cdc.PT.N + 2) & 0x3FFF],
- Pico_mcd->cdc.Buffer[(Pico_mcd->cdc.PT.N + 3) & 0x3FFF],
- Pico_mcd->cdc.Buffer[(Pico_mcd->cdc.PT.N + 4) & 0x3FFF],
- Pico_mcd->cdc.Buffer[(Pico_mcd->cdc.PT.N + 5) & 0x3FFF]);
- }
-
- }
- }
- else // music track
- {
- Pico_mcd->scd.Cur_LBA++;
-
- Pico_mcd->cdc.WA.N = (Pico_mcd->cdc.WA.N + 2352) & 0x7FFF; // add one sector to WA
- Pico_mcd->cdc.PT.N = (Pico_mcd->cdc.PT.N + 2352) & 0x7FFF;
-
- if (Pico_mcd->cdc.CTRL.B.B0 & 0x80) // DECEN = decoding enable
- {
- if (Pico_mcd->cdc.CTRL.B.B0 & 0x04) // WRRQ : this bit enable write to buffer
- {
- // CAUTION : lookahead bit not implemented
-
- // this is pretty rough, but oh well - not much depends on this anyway
- memcpy(&Pico_mcd->cdc.Buffer[Pico_mcd->cdc.PT.N], cdda_out_buffer, 2352);
- }
- }
- }
-
- if (Pico_mcd->cdc.CTRL.B.B0 & 0x80) // DECEN = decoding enable
- {
- Pico_mcd->cdc.STAT.B.B0 = 0x80;
-
- if (Pico_mcd->cdc.CTRL.B.B0 & 0x10) // determine form bit form sub header ?
- {
- Pico_mcd->cdc.STAT.B.B2 = Pico_mcd->cdc.CTRL.B.B1 & 0x08;
- }
- else
- {
- Pico_mcd->cdc.STAT.B.B2 = Pico_mcd->cdc.CTRL.B.B1 & 0x0C;
- }
-
- if (Pico_mcd->cdc.CTRL.B.B0 & 0x02) Pico_mcd->cdc.STAT.B.B3 = 0x20; // ECC done
- else Pico_mcd->cdc.STAT.B.B3 = 0x00; // ECC not done
-
- if (Pico_mcd->cdc.IFCTRL & 0x20)
- {
- if (Pico_mcd->s68k_regs[0x33] & (1<<5))
- {
- elprintf(EL_INTS, "cdc dec irq 5");
- SekInterruptS68k(5);
- }
-
- Pico_mcd->cdc.IFSTAT &= ~0x20; // DEC interrupt happen
- Pico_mcd->cdc.Decode_Reg_Read = 0; // Reset read after DEC int
- }
- }
-
-
- return 0;
-}
-
-#endif
notaz.gp2x.de / picodrive.git / blobdiff